.b1 {
				height: 1px;
				font-size: 1px;
				overflow: hidden;
				display: block;
				background: #B2D0EA;
				margin: 0 3px;
				clear: both;
			}
			
			.b2 {
				height: 1px;
				font-size: 1px;
				overflow: hidden;
				display: block;
				background: #EDF7FF;
				border-right: 2px solid #B2D0EA;
				border-left: 2px solid #B2D0EA;
				margin: 0 1px;
				clear: both;
			}
			
			.b3 {
				height: 1px;
				font-size: 1px;
				overflow: hidden;
				display: block;
				background: #EDF7FF;
				border-right: 1px solid #B2D0EA;
				border-left: 1px solid #B2D0EA;
				margin: 0 1px;
				clear: both;
			}
			
			.bc {
				font-size: 12px;
				overflow: hidden;
				display: block;
				background: #EDF7FF;
				border-right: 1px solid #B2D0EA;
				border-left: 1px solid #B2D0EA;
				margin: 0 0px;
				clear: both;
			}
			
			.bt {
				background: #EDF7FF;
				margin: 0 2px;
				padding: 5px;
			}
			
			.bb {
				background: #FFFFFF;
				margin: 0 2px;
				padding: 5px;
			}